This dining chairs are made of premium materials, Linen, PVC, plywood, foam, metal, and non-woven cloth. The chair legs are metal and plastic shaped of strong structure. Selected materials aim to provide you with a durable and comfortable seat.Each dining chair is equipped with adjustable footpads at the bottom, which can be adjustable when you put the chairs on the uneven ground, also useful for protecting the floor from scratches.The seat and backrest are built in one piece. The dining chairs are supported by solid metal and durable plastic. The maximum weight capacity is 242.5lb. For your safety, please do not stand on the chair or put overweight items on the chair. These dining chairs are perfectly suitable for different usage scenarios, such as the balcony, dining room, living room, kitchen, study, or office, conference room, etc.